Roof support



FIG. 1 is a front elevation view of a roof support;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top, right side perspective view thereof; and,

FIG. 6 is a bottom, left side perspective view thereof.

A rear elevation view thereof is the same as the front elevation view of FIG. 1. A left side elevation view is a mirror of the right side elevation view of FIG. 4. 

CLAIM I claim the ornamental design for a roof support, as shown and described. 